Development of a standardized method for contouring the lumbosacral plexus: a preliminary dosimetric analysis of this organ at risk among 15 patients treated with intensity-modulated radiotherapy for lower gastrointestinal cancers and the incidence of radiation-induced lumbosacral plexopathy.

@article{Yi2012DevelopmentOA,
  title={Development of a standardized method for contouring the lumbosacral plexus: a preliminary dosimetric analysis of this organ at risk among 15 patients treated with intensity-modulated radiotherapy for lower gastrointestinal cancers and the incidence of radiation-induced lumbosacral plexopathy.},
  author={Sun K. Yi and Walter H Mak and Claus Chunli Yang and Tianxiao Liu and Jing An Cui and Allen M Chen and James A. Purdy and Arta Monir Monjazeb and L. V. Do},
  journal={International journal of radiation oncology, biology, physics},
  year={2012},
  volume={84 2},
  pages={376-82}
}
PURPOSE To generate a reproducible step-wise guideline for the delineation of the lumbosacral plexus (LSP) on axial computed tomography (CT) planning images and to provide a preliminary dosimetric analysis on 15 representative patients with rectal or anal cancers treated with an intensity-modulated radiotherapy (IMRT) technique. METHODS AND MATERIALS A standardized method for contouring the LSP on axial CT images was devised. The LSP was referenced to identifiable anatomic structures from the… CONTINUE READING

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